Phio PharmaceuticalsPHIO
13F holders, Q1 2026 (March 31)24holders +7
12new positions
6sold out
$1.22avg. 13F price*
At the end of Q1 2026, 24 institutions reported holding Phio Pharmaceuticals Corp. (PHIO) in their 13F filings, up 7 from Q4 2025. 12 opened new positions and 6 sold out. The largest holders were Geode Capital Management, LLC ($180K), Jane Street Group, LLC ($145K) and Vanguard Capital Management LLC ($97K).
- Company
- Phio Pharmaceuticals Corp.
- CUSIP
- 71880W501
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $314K |
| Exits | 6 | $81K |
All 13F filers, Q4 2025 → Q1 2026: 351,230 shares bought and 76,982 shares sold, net +274,248 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 24 holders
| Geode Capital Management, LLC | 0.00% | Add +59.0% | 147,254 | $180K |
| Jane Street Group, LLC | 0.00% | New | 119,189 | $145K |
| Vanguard Capital Management LLC | 0.00% | — | 79,853 | $97K |
| Cetera Investment Advisers | 0.00% | Add +5.9% | 45,000 | $55K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 38,169 | $47K |
| HRT Financial LP | 0.00% | New | 34,732 | $42K |
| Two Sigma Investments, LP | 0.00% | Add +124.2% | 32,495 | $40K |
| Scientech Research LLC | 0.03% | New | 30,032 | $37K |
| UBS Group AG | 0.00% | Add +214.0% | 26,987 | $33K |
| XTX Topco Ltd | 0.00% | New | 24,868 | $30K |
| Northern Trust Corp. | 0.00% | No change | 23,758 | $29K |
| Gsa Capital Partners LLP | 0.00% | New | 19,864 | $24K |
| Two Sigma Securities, LLC | 0.00% | New | 15,224 | $19K |
| Captrust Financial Advisors | 0.00% | No change | 10,000 | $12K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 7,620 | $9K |
| Morgan Stanley | 0.00% | No change | 6,000 | $7K |
| Spire Wealth Management | 0.00% | New | 2,000 | $2K |
| Osaic Holdings, Inc. | 0.00% | New | 2,000 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +7.8% | 1,224 | $1K |
| Lanark Financial, Inc. | 0.00% | New | 1,074 | $1K |
| Citigroup Inc. | 0.00% | New | 1,025 | $1K |
| Assetmark, Inc. | 0.00% | No change | 110 | $134 |
| Activest Wealth Management | 0.00% | No change | 9 | $11 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 3 | $4 |
"% of holder's portfolio" is PHIO's weight in each manager's 13F, not the share of Phio Pharmaceuticals Corp. the manager owns.